Press.



0. RIEMANN.

Patented Sept. 24, 1912.

PLANOORAPH CO" WASNINO a srarus PATENT curios.

OTTO RIEMANN, F HAMBURG, GERMANY.

PRESS.

To all whom it may concern Be it known that I, O'r'ro RIEMANN, a subjectof the King of Prussia, and resident of No. 150 Barmbeckerstrasse,Hamburg, in

the Empire of Germany, have invented a new and useful Improved Press, ofwhich the following is a specification.

The invention relates to a press with a .rotating mold-table for workingup such materials as those from which the water held in them is to beremoved and the solid constituents obtained.

press is represented in Figure 1 by a vertil cal section, and in Fig. 2by a horizontal; section. 1' Around a pillar a which is formed at itslower part as a pipe and is secured in the machine frame 6, atable-plate c which is provided with a number of molds (Z is revolublyarranged. The walls of these molds (Z5 are provided with lattice-likeopenings and i Y are lined within with inserted sieve-like adjuncts. Theplungers 7 which are fitted below each with a roller can be moved up anddown in the molds (Z, the rollers being guided on a track which has beenformed in accordance with the required height of the plungers. Each ofthe molds is surrounded by an empty chamber. The empty chambers whichare separated from one another by Walls can be connected by radialpassages s with the tubular part of the pillar a which part is connectedwith a pump t and possesses the openings 2, 3 and l. Further, v theframe I) an eccentric shaft h is supported which moves a connecting-link70 up and down, the object and effect of which will be explained in thesubsequent descrip- 0 tion of the working operation.

Above the plate 0 a receptacle Z is fixed which receives the materialfrom which the water is .to be removed. This receptacle Z pressestightly against the rotating plate a, suitable packing material beinginterposed between, and closes the tops of the molds c which move past.An abutment n covers in a well known manner the molds opposite theadvancing plungers f. Further, the recep tacle Z has in its bottom anopening on which after each partial rotation of the plate 0 comes abovea mold (Z and it is moreover fitted with a stirring device 0.

Specification of Letters Patent.

Application filed August 11,

In the accompanying drawing the new The gear for driving the mold-tablec and Patented. Sept. 24, 1912.

1910. Serial No. 576,631.

the stamp f and also the formation of the charging receptacle Z are notthe subjectmattor of the invention.

The operation of the press is as follows: The material to be treated,for example, potato-gratings, pulp or the like is charged into thereceptacle Z and it is brought with the aid of the stirring device 0into the mold situated at the time underneath the receptacle. WVlien nowthe mold-table c rotates through a distance equal to the distance apartof the molds the passage 8 oi the empty space surrounding the mold whichhas just been charged comes opposite the opening 2 in the tubular pillara, so that the water contained in the charge in the mold is drawnthrough the filter-like wall by suction by the pump t connected with thehollow pillar a. On the mold-table c rotating further at intervals themolds charged from the receptacle Z are subjected in succession throughthe openings 2 and 3 in the hollow axle a to the suction action untilthey finally stop above the connecting-link 7c. During the suctionoperation which takes place also here through the opening 4, theconnecting-link itis, by means of the eccentric shaft it, carried upwardagainst the plunger f, so that the removal of the water effected by thesuction-action is supplemented and completed by the work of compressioneffected by the plunger. The solid constituents remaining behind formcakes which are pushed upward out of the molds, possibly by an ejectingdevice at 27, Fig. 2, and are then removed by hand or mechanically.

lVhat I do claim as my invention, and desire to secure by LettersPatent, is:

1. The combination in a press for removing water from wet material of afixed hollow shaft provided with openings in its periphery, a suctionpump connected with said shaft, a mold-table revolubly mounted aroundsaid shaft and provided with a plurality of molds having perforatedwalls and with chambers surrounding said walls and with passages runningfrom said chambers to said openings in said shaft, and reciprocatingplunger-s in said molds.

2. The combination in a press for removing water from wet material of afixed hollow shaft provided with openings in its periphery, a suctionpump connected with said shaft, a mold-table revolubly mounted aroundsaid shaft and provided with a plurality of molds having walls havinglatticelike openings and sieve-like linings and with chamberssurrounding said Walls and with passages running from said chambers tosaid openings in said shaft, and reciprocating plungers in said molds.

In witness whereof I have hereunto signed my name this 29 day of July1910, in the presence 01"? two subscribing witnesses.

' OTTO RIEMANN.

Witnesses:

ERNEST H. L. MUMMENHOFF, EDUARD Horn.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. G.

